Reverse Phone API allows you to quickly, securely, and systematically obtain detailed information associated with a phone number in real time. Based on a number, the API returns key data such as the registered owner's name, caller ID, line type (mobile or landline), operator, validity status, number activity, and spam score.
The response includes a unique search identifier (searchId), number in standard format and clean format (phoneRaw), phone type, carrier, and line classification (Wireless, Landline, etc.). It also provides associated geographic information such as city, state, zip code, and time zone, which facilitates validation, segmentation, and analysis processes.
Among the most relevant fields are Boolean indicators such as isValid and isActive, which allow you to determine whether the number is correctly structured and in use. The spamScore helps evaluate the level of risk associated with the number, which is useful for fraud prevention, user verification, and security filters.
Send a phone number and receive associated information such as owner, operator, location, line type, status, and risk level.
For example: +1 (925) 953-2798
{"success":true,"data":{"searchId":"SKPMMOVBAOYBP0KYP","phone":"(212) 555-7891","phoneRaw":"2125557891","owner":"Michael Johnson","address":"123 Main Street, Los Angeles, CA 90001","phoneType":"Mobile","carrier":"Verizon Wireless","lineType":"Wireless","isValid":true,"isActive":true,"spamScore":0,"callerIdName":"JOHN SMITH","location":{"city":"Los Angeles","state":"CA","zip":"90001","timezone":"America/Los_Angeles"},"message":null,"scrapedAt":"2026-03-13T12:23:24.898Z"}}
curl --location --request GET 'https://zylalabs.com/api/11955/reverse+phone+api/22739/phone+information&phone_number=Required' --header 'Authorization: Bearer YOUR_API_KEY'
| Header | Description |
|---|---|
Authorization
|
[Required] Should be Bearer access_key. See "Your API Access Key" above when you are subscribed. |
No long-term commitment. Upgrade, downgrade, or cancel anytime. Free Trial includes up to 50 requests.
The Reverse Phone API returns detailed information about a phone number, including the owner's name, carrier, line type (mobile or landline), validity status, activity status, spam score, and geographic details such as city, state, and zip code.
Key fields in the response include `searchId`, `phone`, `owner`, `carrier`, `lineType`, `isValid`, `isActive`, and `spamScore`. These fields provide essential insights into the phone number's ownership and status.
The response data is structured in a JSON format, with a top-level `success` field indicating the request status, followed by a `data` object containing detailed information about the phone number, including various attributes and geographic information.
The endpoint provides information such as the owner's name, phone type, carrier, validity, activity status, spam score, and geographic location, enabling users to assess the legitimacy and risk associated with a phone number.
Data accuracy is maintained through regular updates and quality checks from multiple reliable sources, ensuring that the information provided is current and trustworthy for users seeking to verify phone numbers.
Typical use cases include fraud prevention, user verification, telemarketing, and security filtering. Businesses can use the data to assess the risk of incoming calls and enhance customer engagement strategies.
Users can customize their requests by specifying the phone number in standard or clean format. The API processes the input and returns relevant information based on the provided number.
Standard data patterns include valid phone numbers returning complete owner and location details, while invalid or inactive numbers may show `isValid: false` or `isActive: false`, indicating potential issues with the number.
To obtain your API key, you first need to sign in to your account and subscribe to the API you want to use. Once subscribed, go to your Profile, open the Subscription section, and select the specific API. Your API key will be available there and can be used to authenticate your requests.
You can’t switch APIs during the free trial. If you subscribe to a different API, your trial will end and the new subscription will start as a paid plan.
If you don’t cancel before the 7th day, your free trial will end automatically and your subscription will switch to a paid plan under the same plan you originally subscribed to, meaning you will be charged and gain access to the API calls included in that plan.
The free trial ends when you reach 50 API requests or after 7 days, whichever comes first.
No, the free trial is available only once, so we recommend using it on the API that interests you the most. Most of our APIs offer a free trial, but some may not include this option.
Yes, we offer a 7-day free trial that allows you to make up to 50 API calls at no cost, so you can test our APIs without any commitment.
Zyla API Hub is like a big store for APIs, where you can find thousands of them all in one place. We also offer dedicated support and real-time monitoring of all APIs. Once you sign up, you can pick and choose which APIs you want to use. Just remember, each API needs its own subscription. But if you subscribe to multiple ones, you'll use the same key for all of them, making things easier for you.
Please have a look at our Refund Policy: https://zylalabs.com/terms#refund
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